Milk and dairy foods are an important part of our diet, providing many nutrients including proteins, minerals and vitamins essential for growth, bone and dental health. It is therefore important that if you think that you or your baby may be allergic to cowsâ milk, you speak to a GP or Health Visitor about it.
The first cannon in Europe were probably used in Iberia, during the Islamic wars against Spain, in the 13th century; their use was also first documented in the Middle East around this time. English cannon were first used during the Hundred Years' War, at the Battle of CrÃ©cy, in 1346. It was during this period, the Middle Ages, that cannon became standardized, and more effective in both the anti-infantry and siege roles.
It all started in China, where gunpowder was first created. In the ninth century, alchemists blended charcoal, saltpeter and sulfur into a powder called huo yao, which was used to treat skin infections [source: Kit Meng ].istorians typically recognize Chinese fire lances, which were invented in the 10th century, as the first guns. These bamboo or metal tubes projected flames and shrapnel at their targets.